Initial data commit

Task/Arithmetic-Integer/Bracmat/arithmetic-integer.bracmat

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+  ( enter
+  =     put$"Enter two integer numbers, separated by space:"
+      & get':(~/#?k_~/#?m|quit:?k)
+    |     out
+        $ "You must enter two integer numbers! Enter \"quit\" if you don't know how to do that."
+      & !enter
+  )
+& !enter
+& !k:~quit
+& out$("You entered" !k and !m ". Now look:")
+& out$("Sum:" !k+!m)
+& out$("Difference:" !k+-1*!m)
+& out$("Product:" !k*!m)
+& out$("Integer division:" div$(!k.!m))
+& out$("Remainder:" mod$(!k.!m))
+& out$("Exponentiation:" !k^!m)
+& done;